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    <title>Document</title>
    <style>
        *{
            margin: 0;
            padding: 0;
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        li{
            /* 去掉li前面的小圆点 */
            list-style: none;
            line-height: 23px;
        }
        .box{
            width: 248px;
            height: 163px;
            border: 1px solid #ccc;
            margin: 100px auto ;
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        .box h3{
            height: 32px;
            /* 下边框  border-bottom*/
            border-bottom:1px dotted #ccc;
            font-size: 14px;
            font-weight: 400;
            line-height: 32px;
            padding-left: 2px;
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        .box ul li a{
            font-size: 12px;
            color: #666;
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        .box ul li a:hover{
            text-decoration: underline;
            /* 鼠标滑过事件，下划线 */
        }
        .box ul li{
            height: 23px;
            line-height: 23px;
            padding-left: 20px;
        }
        .box ul{
            margin-top: 7px;
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<body>
    <div class="box">
            <h3>评优沟快报</h3>
            <ul>
                <li><a href="#">特惠，爆款耳机5折秒</a></li>
                <li><a href="#">特惠，爆款耳机5折秒</a></li>
                <li><a href="#">特惠，爆款耳机5折秒</a></li>
                <li><a href="#">特惠，爆款耳机5折秒</a></li>
                <li><a href="#">特惠，爆款耳机5折秒</a></li>
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